* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}

nav {
    width: 100%;
    height: 64px;
    position: fixed;
    top: 0;
    background-color: rgba(35, 35, 35, 0.95);
    z-index: 999;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav div {
    width: 1000px;
    margin: 0 auto;
    display: flex;
    padding-right: 45px;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

nav div ol {
    margin-top: 0;
    width: 430px;
    height: 100%;
    display: flex;
    list-style: none;
    font-size: 14px;
    color: #bdbdbd;
    justify-content: space-between;
}

nav div ol li {
    width: 78px;
    height: 32px;
    line-height: 32px;
    margin: 0 2px;
    text-align: center;
    border-radius: 4px;
}

nav div ol li:hover {
    background-color: rgb(253, 130, 0);
    color: rgb(255, 247, 189);
}

nav div img:nth-child(1) {
    position: absolute;
    right: 0px;
}

.a1 {
    position: absolute;
    top: 64px;
    right: 0;
    opacity: 0;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.9);
    border-radius: 4px;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.a1 input {
    width: 200px;
    height: 30px;
    padding: 0 10px;
    background-color: #333;
    border: none;
    color: rgb(253, 130, 0);
    outline: none;
    font-size: 14px;
}

.a1 input::placeholder {
    color: #666;
}

.a1::before {
    content: '';
    position: absolute;
    top: -8px;
    right: 20px;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(0, 0, 0, 0.9);
}

.banner {
    width: 100%;
    height: 696px;
    /* background-color: pink; */
    position: relative;

}

.banner .jltu1 {
    background-image: url(http://tg-vision.com/skin/tg2013/images/bt_arr.png);
    background-repeat: no-repeat;
    width: 50px;
    height: 134px;
    background-position: 0px 0px;
    position: absolute;
    top: 50%;
    transform: translateY(-72px);
    background-color: rgb(127, 96, 101)
}

.banner .jltu2 {
    background-image: url(http://tg-vision.com/skin/tg2013/images/bt_arr.png);
    background-repeat: no-repeat;
    width: 50px;
    height: 134px;
    background-position: -68px 0px;
    position: absolute;
    top: 50%;
    right: 0px;
    transform: translateY(-72px);
    background-color: rgb(127, 96, 101);
}

.banner .banner1 {
    width: 100%;
    height: 100%;
    background-image: url(../imgs/banner1.png);
    background-position: 480px;
    position: relative;
    background-size: contain;
    background-color: #1a1a1a;
    background-repeat: no-repeat;
}

.banner .banner1 .img2 {
    position: absolute;
    bottom: 50.5px;
    width: 300px;
    left: 400px;
    transition: all 0.5s;
}

.banner .banner1 .img3 {
    position: absolute;
    bottom: 20px;
    width: 800px;
    left: 460px;
    transition: all 0.8s;
}

.headend {
    width: 100%;
    height: 120px;
    padding-top: 32px;
    background-color: rgb(240, 240, 240);
}

.headend .div1 {
    background-image: url(http://tg-vision.com/skin/tg2013/images/col_tit.gif);
    background-size: cover;
    height: 80px;
    width: 180px;
    margin: 0px auto;
}

.div2 {
    width: 1000px;
    height: 100px;
    margin: 0 auto;
    padding: 35px 0px 33px 0px;
    text-align: center;
}

.div2 a {
    display: inline-block;
    background: none;
    width: 90px;
    height: 32px;
    overflow: hidden;
    text-align: center;
    line-height: 32px;
    margin: 0px 2px;
    position: relative;
    text-decoration: none;
    color: #333333;
}

.div2 a div {
    width: 100%;
    height: 100%;
    display: inline-block;

}

.div2 a:hover {
    background-color: rgb(253, 130, 0);
    color: rgb(255, 247, 189);
    border-radius: 4px;
}

/* // 按钮变色 */
.colorActive {
    background-color: rgb(253, 130, 0);
    color: rgb(255, 247, 189);
    border-radius: 4px;
}


.div3 {
    width: 1000px;
    margin: 0 auto;

}

.div3 ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    flex: 1;
    justify-content: center;
    /* align-items: flex-start; */
    align-items: last baseline;
}

.div3 ul li {
    padding: 5px;
    margin: 5px;
    width: 320px;
    height: 190px;
    overflow: hidden;


}

.div3 .div5 {
    padding-top: 5px;
    padding-left: 5px;
    width: 100%;
    height: 56px;
    display: none;
    background-repeat: no-repeat;
    background-size: contain;
    background-image: url(http://tg-vision.com/skin/tg2013/images/zp_titbg.gif);
}

.div3 img {
    margin-top: -2px;
    /* transition: all 3s; */
}

.div3 .div5 .span1 {
    line-height: 18px;
    color: #ffffff;
    font-size: 18px;
    padding-right: 18px;
}

.div3 .div5 .span2 {
    line-height: 16px;
    font-family: Arial;
    color: #fd8200;
    font-size: 12px;
}

.tabcontext {
    width: 100%;
    height: 108px;
    padding: 20px 0 60px 0;
    /* background-color: pink; */
}

.tabcontext .div4 {
    height: 28px;
    width: 100%;
    text-align: center;
}

.tabcontext .div4 a {
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 22px;
    margin: 0px 3px;
    color: #717171;
    background-color: #fff;
    text-align: center;
    text-decoration: none;
    border: 1px solid #717171;


}
.tabcontext .div4 a div{
    width: 100%;
    height: 100%;
    border-radius: 2px;
}
.ul-display{
    display:none;
}
.div3section-display{
    display:none;
}
.div-list1{
    width: 1000px;
    margin: 0;
}

/* 导航栏链接样式 */
nav ol li a {
    text-decoration: none; /* 移除下划线 */
    color: inherit; /* 继承父元素的文字颜色 */
    display: block; /* 让链接占满li元素 */
    width: 100%;
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
}

/* 确保鼠标悬停时不会改变颜色 */
nav ol li a:hover {
    color: inherit;
}

/* 访问过的链接保持同样的颜色 */
nav ol li a:visited {
    color: inherit;
}

/* 导航栏激活状态 */
nav ol li.active {
    background-color: rgb(253, 130, 0);
    color: rgb(255, 247, 189);
}

/* 添加悬停下划线效果 */
nav ol li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: rgb(253, 130, 0);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav ol li:hover a::after {
    width: 100%;
}

/* 添加页面加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader::after {
    content: '';
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid rgb(253, 130, 0);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 添加平滑滚动基础样式 */
html {
    scroll-behavior: smooth;
}

/* 禁用默认滚动 */
body {
    overflow: hidden;
    height: 100vh;
}

/* 创建自定义滚动容器 */
.smooth-scroll-container {
    height: 100vh;
    overflow-y: scroll;
    scroll-behavior: smooth;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

/* 添加iframe相关样式 */
.map-container {
    position: relative;
    width: 320px;
    height: 250px;
    overflow: hidden;
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 1;
    pointer-events: none;
}

.map-container iframe {
    position: relative;
    z-index: 0;
}

/* 当鼠标悬停在地图上时允许交互 */
.map-container:hover .map-overlay {
    pointer-events: auto;
}